class AddIdsToComments < ActiveRecord::Migration
  def self.up
    add_column :comments , :facebook_id, :string
    add_column :comments, :twitter_id, :string
    add_column :comments, :linkedin_id, :string
  end

  def self.down
    remove_column :comments, :facebook_id
    remove_column :comments, :twitter_id
    remove_column :comments, :linkedin_id
  end
end
